A new method on predicting arc-initiating of micro-arc oxidation on magnesium alloy by anodic polarization curve

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal

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Author(s)

  • Xiao-Bo Wang
  • Xiu-Bo Tian
  • Chun-Zhi Gong
  • Shi-Qin Yang
  • Paul K Chu

Detail(s)

Original languageEnglish
Pages (from-to)127-131
Journal / PublicationCailiao Rechuli Xuebao/Transactions of Materials and Heat Treatment
Volume33
Issue number7
Publication statusPublished - Jul 2012

Abstract

A new method on predicting arc-initiating of micro-arc oxidation on magnesium alloy by anodic polarization curve was proposed. Anodic polarization behavior and discharge characteristic were tested in different solutions. The results show that arcing voltage is much dependent on the stability of passivating films formed during anodic polarization process. The arcing voltage is higher with a larger width of passivation region of the polarization curve. When the stability of passivating films is at about the same level, the arcing voltage becomes lower in the solution possessing a smaller polarization current at the later section of passivation curves.

Research Area(s)

  • Anodic polarization behavior, Arcing behavior, Magnesium alloy, Micro-arc oxidation

Citation Format(s)